Alert archive / Georgia / Wind Chill Advisories in 2017

Wind Chill Advisory 2, NWS Atlanta, GA

January 7, 201736 counties in Georgia

NWS Atlanta, GA issued this wind chill advisory at Jan 7, 2017, 2:31 PM EST for 36 counties in Georgia. It took effect at Jan 7, 2017, 7:00 PM EST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2017, 2:31 PM EST (19:31 UTC)
In effect from
Jan 7, 2017, 7:00 PM EST
Expired
Jan 8, 2017, 12:00 PM EST
In force
17 hr
Issued by
NWS Atlanta, GA
All 36 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Jackson County, GA, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 97 km from the middle of the area, began a volume at 19:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 96 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2017-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2017-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

222 
WWUS42 KFFC 071931
WSWFFC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
231 PM EST SAT JAN 7 2017



GAZ001>009-011>016-019>025-030>035-041>045-052>055-080345-
/O.NEW.KFFC.WC.Y.0002.170108T0000Z-170108T1700Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
231 PM EST SAT JAN 7 2017

...WIND CHILL ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON
EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST SUNDAY.

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM FRANKLIN TO
  MORROW TO HOMER. 

* HAZARD TYPES...DANGEROUSLY LOW WIND CHILLS.

* WIND CHILL READINGS...RANGING BETWEEN 10 BELOW TO FIVE ABOVE.

* TIMING...THIS EVENING THROUGH LATE SUNDAY MORNING. 

* IMPACTS...FROST BITE AND HYPOTHERMIA WILL BE POSSIBLE IF 
  PROPER PRECAUTIONS ARE NOT TAKEN. 

* WINDS...NORTHWEST 10 TO 15 MPH. 

* TEMPERATURES...RANGING FROM THE SINGLE DIGITS IN THE FAR
  NORTHEAST TO LOWER 20S SOUTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
2 follow-up statements
007 
WWUS42 KFFC 072256
WSWFFC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
556 PM EST SAT JAN 7 2017


GAZ001>009-011>016-019>025-030>035-041>045-052>055-081000-
/O.CON.KFFC.WC.Y.0002.170108T0000Z-170108T1700Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
556 PM EST SAT JAN 7 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY...

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM FRANKLIN TO 
  MORROW TO HOMER.

* HAZARD TYPES...DANGEROUSLY LOW WIND CHILLS.

* WIND CHILL READINGS...RANGING BETWEEN 10 BELOW TO FIVE ABOVE.

* TIMING...THIS EVENING THROUGH LATE SUNDAY MORNING.

* IMPACTS...FROST BITE AND HYPOTHERMIA WILL BE POSSIBLE IF 
  PROPER PRECAUTIONS ARE NOT TAKEN.

* WINDS...NORTHWEST 10 TO 15 MPH.

* TEMPERATURES...RANGING FROM THE SINGLE DIGITS IN THE FAR 
  NORTHEAST TO LOWER 20S SOUTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
668 
WWUS42 KFFC 080813
WSWFFC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
313 AM EST SUN JAN 8 2017

GAZ001>009-011>016-019>025-030>035-041>045-052>055-081700-
/O.CON.KFFC.WC.Y.0002.000000T0000Z-170108T1700Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS-
SOUTH FULTON-DEKALB-HEARD-COWETA-FAYETTE-CLAYTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...NEWNAN...PEACHTREE CITY
313 AM EST SUN JAN 8 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* LOCATIONS...MAINLY ALONG AND NORTH OF A LINE FROM FRANKLIN TO 
  MORROW TO HOMER.

* HAZARD TYPES...DANGEROUSLY LOW WIND CHILLS.

* WIND CHILL READINGS...RANGING BETWEEN 10 BELOW TO FIVE ABOVE.

* TIMING...THROUGH LATE THIS MORNING.

* IMPACTS...FROST BITE AND HYPOTHERMIA WILL BE POSSIBLE IF 
  PROPER PRECAUTIONS ARE NOT TAKEN.

* WINDS...NORTHWEST 10 TO 15 MPH.

* TEMPERATURES...RANGING FROM THE SINGLE DIGITS IN THE FAR 
  NORTHEAST TO LOWER 20S SOUTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 3:33 AM ESTWind Chill AdvisoryFFCBartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 20 more8 hr
Jan 7, 3:33 AM ESTWinter Weather AdvisoryFFCButts, Clarke, Clayton, Coweta, Fayette, Greene and 21 more7 hr
Jan 7, 10:48 AM ESTRiver Flood WarningFFCDodge, Telfair, Wilcox5 days
Jan 7, 11:30 AM ESTRiver Flood WarningFFCBleckley, Pulaski4 days

Nearby

Wind Chill Advisories in Georgia, 2017Every wind chill advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.